borehole incline
1List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
2Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …
3Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …
4Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
